Cam; Adjustments; Cam Specifications - BLX v100 positioner Installation, Operating And Maintenance Instructions

V100 Positioner

2.5 Cam

The V100 is standard shipped
with the C1-cam, factory set
for 90° , direct (CCW) turning.
±1°

2.5.1 Adjustments

Remove the front cover and indicator.
(see page 12)
1. Loosen the lock screw(1) and the cam
nut(2).
2. Run the valve/actuator to the stop/end
position at 0% input.
3. Turn the cam(3) so that the index mark(5)
for the selected curve aligns with the ball
bearing(4).
4. Tighten the cam nut by hand(2).
Check that the lock screw(1) is still loose.
(if not, loosen the lock screw slightly and
tighten the nut again)
5. Tighten the lock screw(1).
2.5.2 Cam specifications C1
Index mark / Starting point of rotation *
5. 90° Linear 0-100% CCW
6. 180° Linear 0-100% CW
6. 90° Linear 0-50%
7. 90° Linear 50-100% CW split range
8. 90° Linear 0-100% CW
9. 180° Linear 0-100% CCW
9. 90° Linear 0-50%
10. 90° Linear 50-100% CCW split range
*Increasing signal rotation
Most valves rotate CW to close / CCW to open
When field reversing action of positioner
tubing must be reversed as well.
(see page 7 and 8)
CW split range
CCW split range
9